This is dated September 1995. Despite the sci-fi readme it's actually an aimless, formless wooden dungeon level with a short Wild West interlude; it feels like a lot of random corridors and seems to drag on forever. It has the kind of ambitious but random and boring design that was common at the time. You turgidly blast 250+ mostly weak monsters, mostly imps. It would have been improved greatly if it had been squashed down to one quarter the size.